2 * Copyright © 2013 Intel Corporation
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5 * copy of this software and associated documentation files (the "Software"),
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9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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21 * DEALINGS IN THE SOFTWARE.
24 #include "brw_context.h"
25 #include "brw_state.h"
26 #include "brw_defines.h"
27 #include "intel_batchbuffer.h"
30 gen8_upload_gs_state(struct brw_context
*brw
)
32 struct gl_context
*ctx
= &brw
->ctx
;
33 const struct brw_stage_state
*stage_state
= &brw
->gs
.base
;
34 /* BRW_NEW_GEOMETRY_PROGRAM */
35 bool active
= brw
->geometry_program
;
36 /* CACHE_NEW_GS_PROG */
37 const struct brw_vec4_prog_data
*prog_data
= &brw
->gs
.prog_data
->base
;
39 gen8_upload_constant_state(brw
, stage_state
, active
, _3DSTATE_CONSTANT_GS
);
42 int urb_entry_write_offset
= 1;
43 uint32_t urb_entry_output_length
=
44 ((prog_data
->vue_map
.num_slots
+ 1) / 2 - urb_entry_write_offset
);
46 if (urb_entry_output_length
== 0)
47 urb_entry_output_length
= 1;
50 OUT_BATCH(_3DSTATE_GS
<< 16 | (10 - 2));
51 OUT_BATCH(stage_state
->prog_offset
);
53 OUT_BATCH(GEN6_GS_VECTOR_MASK_ENABLE
|
54 brw
->geometry_program
->VerticesIn
|
55 ((ALIGN(stage_state
->sampler_count
, 4)/4) <<
56 GEN6_GS_SAMPLER_COUNT_SHIFT
) |
57 ((prog_data
->base
.binding_table
.size_bytes
/ 4) <<
58 GEN6_GS_BINDING_TABLE_ENTRY_COUNT_SHIFT
));
60 if (brw
->gs
.prog_data
->base
.total_scratch
) {
61 OUT_RELOC64(stage_state
->scratch_bo
,
62 I915_GEM_DOMAIN_RENDER
, I915_GEM_DOMAIN_RENDER
,
63 ffs(brw
->gs
.prog_data
->base
.total_scratch
) - 11);
65 "May need to implement a temporary workaround: GS Number of "
66 "URB Entries must be less than or equal to the GS Maximum "
67 "Number of Threads.\n");
74 OUT_BATCH(((brw
->gs
.prog_data
->output_vertex_size_hwords
* 2 - 1) <<
75 GEN7_GS_OUTPUT_VERTEX_SIZE_SHIFT
) |
76 (brw
->gs
.prog_data
->output_topology
<<
77 GEN7_GS_OUTPUT_TOPOLOGY_SHIFT
) |
78 (prog_data
->urb_read_length
<<
79 GEN6_GS_URB_READ_LENGTH_SHIFT
) |
80 (0 << GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT
) |
81 (prog_data
->dispatch_grf_start_reg
<<
82 GEN6_GS_DISPATCH_START_GRF_SHIFT
));
85 OUT_BATCH(((brw
->max_gs_threads
/ 2 - 1) << HSW_GS_MAX_THREADS_SHIFT
) |
86 (brw
->gs
.prog_data
->control_data_header_size_hwords
<<
87 GEN7_GS_CONTROL_DATA_HEADER_SIZE_SHIFT
) |
88 (brw
->gs
.prog_data
->dual_instanced_dispatch
?
89 GEN7_GS_DISPATCH_MODE_DUAL_INSTANCE
:
90 GEN7_GS_DISPATCH_MODE_DUAL_OBJECT
) |
91 GEN6_GS_STATISTICS_ENABLE
|
92 (brw
->gs
.prog_data
->include_primitive_id
?
93 GEN7_GS_INCLUDE_PRIMITIVE_ID
: 0) |
94 GEN7_GS_REORDER_TRAILING
|
98 OUT_BATCH(brw
->gs
.prog_data
->control_data_format
<<
99 HSW_GS_CONTROL_DATA_FORMAT_SHIFT
);
101 /* DW9 / _NEW_TRANSFORM */
102 OUT_BATCH((ctx
->Transform
.ClipPlanesEnabled
<<
103 GEN8_GS_USER_CLIP_DISTANCE_SHIFT
) |
104 (urb_entry_output_length
<< GEN8_GS_URB_OUTPUT_LENGTH_SHIFT
) |
105 (urb_entry_write_offset
<<
106 GEN8_GS_URB_ENTRY_OUTPUT_OFFSET_SHIFT
));
110 OUT_BATCH(_3DSTATE_GS
<< 16 | (10 - 2));
111 OUT_BATCH(0); /* prog_bo */
114 OUT_BATCH(0); /* scratch space base offset */
117 OUT_BATCH(GEN6_GS_STATISTICS_ENABLE
);
124 const struct brw_tracked_state gen8_gs_state
= {
126 .mesa
= _NEW_TRANSFORM
| _NEW_PROGRAM_CONSTANTS
,
127 .brw
= (BRW_NEW_CONTEXT
|
128 BRW_NEW_GEOMETRY_PROGRAM
|
129 BRW_NEW_GS_BINDING_TABLE
|
131 BRW_NEW_PUSH_CONSTANT_ALLOCATION
),
132 .cache
= CACHE_NEW_GS_PROG
134 .emit
= gen8_upload_gs_state
,